135978820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{357839}}^1$

素因数の和:357867

約数の個数: 24

約数和(自身を含む): 300585600

約数和(自身を除く): 164606780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 357839, 715678, 1431356, 1789195, 3578390, 6798941, 7156780, 13597882, 27195764, 33994705, 67989410, 135978820]

約数ペア:

[(1, 135978820), (2, 67989410), (4, 33994705), (5, 27195764), (10, 13597882), (19, 7156780), (20, 6798941), (38, 3578390), (76, 1789195), (95, 1431356), (190, 715678), (380, 357839)]